Pilot David Ingalls, 81, and passenger Bruce Anderson, 62, both of Kingston, were killed when the plan Ingalls was flying crashed at Hampton Airfield after stopping to refuel Monday.

Investigators said they are in the early stages of determining what happened. Witnesses said the plane pitched up after takeoff, rolled left and landed in some trees. Officials said they will examine flight controls, go over maintenance records and determine whether medical issues might have played a role in the crash.